Two years ago, a famous murderer was captured and experimented on by a mad scientist, resulting in the creation of a superhuman monster. The murderer becomes a teacher, and the students are tasked with killing the monster to save the Earth. After various attempts and battles, the students eventually succeed, and the story ends with their lives moving in different directions, with some becoming successful in their chosen paths.
1. Two years ago, a famous murderer was deceived by his disciple and captured, leading to him being used as a guinea pig for experiments by a scientist who is also a professor .
2. The experiment went wrong, resulting in the creation of a monster with tentacles and superhuman powers that is predicted to explode in a year and destroy the earth .
3. The murderer, after escaping the laboratory, decides to become a teacher .
4. The protagonist is Brian, who initially appears to be a woman due to his short hair and androgynous features .
5. The school has a "stupid class" composed of students who are considered the worst, including the gringa, the baseball player, the chubby girl,